If you’re a tenant who shares your building with other renters, you’ll likely have to hold off on sparking up in celebration of legalized marijuana next month. When recreational cannabis becomes legal on Oct. 17, one of the few places Canadians can legally smoke will be in private homes. For renters who live in multi-dwelling buildings, where they’re allowed to light up is a bit more complicated.

Talk to your grandparents about marijuana - before somebody else does. The latest release of a massive federal drug use survey shows monthly marijuana use has skyrocketed among older Americans. The past decade, in fact, has seen a sea change in the demographics of marijuana use: As recently as the early 2000s, teens were more than four times more likely to use marijuana than 50 and 60 somethings.

Wall Street's obsession with marijuana stocks has propelled industry leaders to lofty market valuations that now rival those of household names such as Twitter, Hershey and CBS. Canadian cannabis company Tilray, which soared more than 38 percent Wednesday in wild trading on the Nasdaq, has seen its market capitalization rocket to over $19 billion as of Wednesday's close. Its share price is up more than 500 percent over the past month.

Soda's overrated, so Coca-Cola's looking into weed. Coca-Cola has been eyeing cannabis-infused drinks, according to a statement. The company said Monday that it's "closely watching" the use of CBD in "functional wellness" beverages. "The space is evolving quickly," Coca-Cola spokesman Kent Landers told Bloomberg News. "No decisions have been made at this time."

As pot is legalized in Canada, U.S. drug laws have never looked so absurd. Todd Owen, an officer in the Office of Field Operations, told Politico how border security plans on dealing with this development, and it’s extremely stupid. It turns out that when our border patrol agents aren’t locking up children, they’ll be targeting Canadians who like to smoke weed legally.

A man has been sentenced to death in Malaysia for processing cannabis oil and distributing it to patients in need. On 30 August, the Shah Alam High Court sentenced Muhammad Lukman to death by hanging, after he was convicted of possessing, processing, and distributing cannabis oil. Three litres of cannabis oil and 279 grams of compressed cannabis were found in his home, according to local sources.

In the past, public health campaigns warning of the harmful effects of drugs delivered one resounding message: Don't do it. But now that the federal government has decided to legalize marijuana, Health Canada is using new strategies to try to land on teens' screens and in the places they hang out. "Inevitably, that communication and education is going to be more nuanced and subtle," said David Hammond, a professor in the school of public health at the University of Waterloo.

The Marijuana Policy Coordination Committee wants to counteract positive marijuana messages and identify problems with state legalization initiatives, according to documents obtained by BuzzFeed News.

As New York moves toward legal recreational cannabis, the failure to enact nationwide reforms is becoming more glaring.

The California state Senate voted this week to pass legislation that will help to expunge or reduce past marijuana-related convictions handed down before pot was legalized in the state. The Senate passed the bill on Wednesday in a bipartisan vote of 22-8, almost three months after it was approved by the California State Assembly by a vote of 43-28, according to High Times.

More and more Americans are reporting near-constant cannabis use, as legalization forges ahead.

A Santa Rosa girl who takes medical cannabis attended her first day of kindergarten on Monday, even as a judge continues to weigh whether her school district can bar the medication from school grounds.

With news of the sale of cannabis through private businesses, it marks a departure from the previous Ontario Liberal government’s decision to sell marijuana at government-run outlets.

As John Mayer tells us (and tells us, and tells us), your body is a wonderland. When it comes to microbial life, this holds especially true for your gut. There, hundreds of residential species eat, breed, and excrete waste. Somehow, your intestines manage to thrive with this zoo inside them—for the most part. In some cases things aren’t so wonderful: your gut starts attacking itself in an autoimmune response that’s bad for microbes and host alike.

A deputy in Clare County, MI, went to 80-year-old Delores Saltzman’s home in June trying to return a lost phone and ID to her granddaughter. When the deputy left, she had Saltzman in handcuffs in the back seat of her patrol car. According to WXMI, the deputy smelled marijuana from the front porch of Saltzman’s home. When the deputy asked Saltzman who it belonged to, she confessed it was hers.

The medical marijuana market is in a downward spiral as businesses, lured by big money, shift to recreational.

In the past five years, the San Bernardino County Sheriff’s Department’s Marijuana Enforcement Team has seized nearly half a million marijuana plants and nearly 17,000 pounds of processed marijuana from across the High Desert region, mostly in the areas of Newberry Springs, Phelan and Lucerne Valley — all pot-growing meccas for people seeking fortune in the booming industry.

In case anyone didn’t already know it wasn’t allowed, California state regulators just put the kibosh on hopes for bars and pubs where people can consume both marijuana and alcohol. They also shot down the idea of producing beverages that blend the two substances together. For now—or at least until state law changes to specifically...

At first blush, it would seem almost obvious that individuals with chronic obstructive pulmonary disease (COPD) did not show improvement after inhaling vaporized cannabis. However, with real clinical data for cannabis’ true effects on human health being in scant supply, we should expect a range of studies and results to pop-up over the next several years, as more places begin to legalize the drug.

Specialist doctors in the UK will be able to legally prescribe cannabis-derived medicinal products by autumn, the home secretary has announced. Those that meet safety and quality standards are to be made legal for patients with an "exceptional clinical need", Sajid Javid said. It follows high-profile cases involving children with severe epilepsy being denied access to cannabis oil.